Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Karl Wittnebel via Mercedes]

> So it turned out the uper harness was shorting out and supposedly fried
the throttle body. A new harness and a used throttle body fixed it. Pretty
nice car to drive now.
>
> Jeremy and the gang towed it to their preferred mechanic here in LA, who
is only a few blocks from mine. I have to give them credit for taking care
of it.
>
> Anyway I hope it will shuffle us around town without too much trouble for
awhile, but time will tell. Thanks for all the thoughts/replies.
>
> Karl
>
>
> On Sep 10, 2016 2:46 AM, "Dan Penoff via Mercedes" 
wrote:
>>
>> MAFs aren’t bad, but they can be tough to source.
>>
>> Mercedes has rebuilt ones - the one for this car is about $370.00 reman,
new $463.36.  New ones are tough to coe by, but the remans are usually in
stock.
>>
>> Dan
>>
>>
>> > On Sep 10, 2016, at 5:32 AM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:
>> >
>> > If the “detailer” used silicone based products on or around the engine
compartment, they borked your MAF.  If silicone gets on the sensing parts
of the MAF, it kills them.  This is well known and documented.
>> >
>> > Lift the hood and see if you’ve got a shiny engine.
>> >
>> > Dan
>> >
>> >
>> >> On Sep 9, 2016, at 10:50 PM, Karl Wittnebel via Mercedes <
mercedes@okiebenz.com> wrote:
>> >>
>> >> So I bought that low miles 1994 e420 from Jeremy and Co up in SF.
Figured I
>> >> need the car and they said it drove well and was in good shape, and
that's
>> >> about all I need in a 420. Paid and they sent the car.
>> >>
>> >> It arrived yesterday. Started, backed off trailer fine. It was about
8am so
>> >> I hopped in it and attempted to drive to work. Unfortunately, it
would rev
>> >> to about 1500rpm and stall, and repeat the sequence about every
second or
>> >> so. It idles as smooth as silk, just won't throttle up. No lights on
the
>> >> dash. Never got out of first gear or above 20mph. Not good news!
Called tow
>> >> truck, then Lyft.
>> >>
>> >> Herbert the German mechanic says the fault code is either the
throttle body
>> >> actuator or the computer that controls it. He says the throttle body
is not
>> >> opening properly in response to pedal input. He asks if there has
ever been
>> >> water on the engine. I say not to my knowledge. He is still sorting
out
>> >> what exactly is failing. Either one is a spendy item apparently; 1500
for
>> >> the actuator and lord knows if a computer would even be available.
Herbert
>> >> himself isn't cheap either, but he knows mercedes.
>> >>
>> >> So I got Jeremy on the phone and relayed this info. He apparently
drove it
>> >> for several days and to the smog place before listing it, and it was
>> >> completely fine including the dyno test at smog. He says they did
detail
>> >> the engine after that though.
>> >>
>> >> So here is the question: what stuff typically gets messed up when you
wash
>> >> an e420 motor that can cause this sort of thing? I am still hoping
for an
>> >> outside chance of something simple, and I figured I would see if
there is
>> >> any collective wisdom on this topic.
>> >>
>> >> Thanks,
>> >> Karl
>> >> ___
>> >> http://www.okiebenz.com
>> >>
>> >> To search list archives http://www.okiebenz.com/archive/
>> >>
>> >> To Unsubscribe or change delivery options go to:
>> >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> >>
>> >>
>> >
>> >
>> > ___
>> > http://www.okiebenz.com
>> >
>> > To search list archives http://www.okiebenz.com/archive/
>> >
>> > To Unsubscribe or change delivery options go to:
>> > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> >
>>
>>
>> ___
>> http://www.okiebenz.com
>>
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>>
>> To Unsubscribe or change delivery options go to:
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>>
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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Curley McLain via Mercedes]

I always figured  a thin coat of dieselfuel/oil preserved things in the 
engine compartment.  But I never had show cars.  On the OM636, OM621, 
OM615, OM616/7 and OM603/2/1 engines I don't think you'd hurt much.  On 
the OM606 on, with all the electronics, it is probably not advisable to 
hose down the engine; certainly pressure washers on those engines.



Ralph,'84TD via Mercedes 
September 10, 2016 at 4:54 AM
This brings up an interesting question; is it wise to do a detail on a 
M.B. Diesel engine?

Ralph



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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Curley McLain via Mercedes]

I got a used MAF for the E320 through car-part.com   It worked.  I don't 
remember the $$$, probably around $100



Dan Penoff via Mercedes 
September 10, 2016 at 4:45 AM
MAFs aren’t bad, but they can be tough to source.

Mercedes has rebuilt ones - the one for this car is about $370.00 
reman, new $463.36. New ones are tough to coe by, but the remans are 
usually in stock.


Dan


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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Curley McLain via Mercedes]

My 93 e320 124 was affected by the self destructing insulation.  I had
to buy a throttle body for it.  I still have the old one if anyone wants
to try to rewire it.  When I took it out there were bare wires
everywhere.  It was amazing it worked as long as it did.   Once again
car-part.com to the rescue.

I was never so happy to see a car go down the road!




Dan Penoff via Mercedes 
September 10, 2016 at 4:45 AM
MAFs aren’t bad, but they can be tough to source.

Mercedes has rebuilt ones - the one for this car is about $370.00 
reman, new $463.36. New ones are tough to coe by, but the remans are 
usually in stock.


Dan



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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[clay via Mercedes]

A steam clean will really make it look like new and expose just where there may 
be seeping leaks.  

I am going to spiff up the aluminum bits as I have to remove them.  Putting a 
polish on the M117 valve covers was interesting, but the OM603 will not need 
the mirror finish, just a bit of spit shine.

clay


> On Sep 11, 2016, at 9:07 AM, Curley McLain via Mercedes 
>  wrote:
> 
> I always figured  a thin coat of dieselfuel/oil preserved things in the
> engine compartment.  But I never had show cars.  On the OM636, OM621,
> OM615, OM616/7 and OM603/2/1 engines I don't think you'd hurt much.  On
> the OM606 on, with all the electronics, it is probably not advisable to
> hose down the engine; certainly pressure washers on those engines.
> 
> 
> 
>> Ralph,'84TD via Mercedes 
>> September 10, 2016 at 4:54 AM
>> This brings up an interesting question; is it wise to do a detail on a M.B. 
>> Diesel engine?
>> Ralph
>> 
>> On Saturday, September 10, 2016 5:46 AM, Dan Penoff via Mercedes 
>>  wrote:
>> 
>> 
>> MAFs aren’t bad, but they can be tough to source.
>> 
>> Mercedes has rebuilt ones - the one for this car is about $370.00 reman, new 
>> $463.36.  New ones are tough to coe by, but the remans are usually in stock.
>> 
>> Dan
>> 
>> 
>> 
>> 
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>> 
>> 
>> 
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>> Dan Penoff via Mercedes 
>> September 10, 2016 at 4:45 AM
>> MAFs aren’t bad, but they can be tough to source.
>> 
>> Mercedes has rebuilt ones - the one for this car is about $370.00 reman, new 
>> $463.36. New ones are tough to coe by, but the remans are usually in stock.
>> 
>> Dan
>> 
>> 
>> 
>> 
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>> Dan Penoff via Mercedes 
>> September 10, 2016 at 4:32 AM
>> If the “detailer” used silicone based products on or around the engine 
>> compartment, they borked your MAF. If silicone gets on the sensing parts of 
>> the MAF, it kills them. This is well known and documented.
>> 
>> Lift the hood and see if you’ve got a shiny engine.
>> 
>> Dan
>> 
>> 
>> 
>> 
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>> Karl Wittnebel via Mercedes 
>> September 9, 2016 at 9:50 PM
>> So I bought that low miles 1994 e420 from Jeremy and Co up in SF. Figured I
>> need the car and they said it drove well and was in good shape, and that's
>> about all I need in a 420. Paid and they sent the car.
>> 
>> It arrived yesterday. Started, backed off trailer fine. It was about 8am so
>> I hopped in it and attempted to drive to work. Unfortunately, it would rev
>> to about 1500rpm and stall, and repeat the sequence about every second or
>> so. It idles as smooth as silk, just won't throttle up. No lights on the
>> dash. Never got out of first gear or above 20mph. Not good news! Called tow
>> truck, then Lyft.
>> 
>> Herbert the German mechanic says the fault code is either the throttle body
>> actuator or the computer that controls it. He says the throttle body is not
>> opening properly in response to pedal input. He asks if there has ever been
>> water on the engine. I say not to my knowledge. He is still sorting out
>> what exactly is failing. Either one is a spendy item apparently; 1500 for
>> the actuator and lord knows if a computer would even be available. Herbert
>> himself isn't cheap either, but he knows mercedes.
>> 
>> So I got Jeremy on the phone and relayed this info. He apparently drove it
>> for several days and to the smog place before listing it, and it was
>> completely fine including the dyno test at smog. He says they did detail
>> the engine after that though.
>> 
>> So here is the question: what stuff typically gets messed up when you wash
>> an e420 motor that can cause this sort of thing? I am still hoping for an
>> outside chance of something simple, and I figured I would see if there is
>> any collective wisdom on this topic.
>> 
>> Thanks,
>> Karl
>> ___
>> 

Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[clay via Mercedes]

I have a MAF that I scrounged off a E320 (W124)  Might that be of use?  I can 
ship it if needed.  Looks to be in great shape with very clean wires and such

clay

> On Sep 10, 2016, at 2:45 AM, Dan Penoff via Mercedes  
> wrote:
> 
> MAFs aren’t bad, but they can be tough to source.
> 
> Mercedes has rebuilt ones - the one for this car is about $370.00 reman, new 
> $463.36.  New ones are tough to coe by, but the remans are usually in stock.
> 
> Dan
> 
> 
>> On Sep 10, 2016, at 5:32 AM, Dan Penoff via Mercedes  
>> wrote:
>> 
>> If the “detailer” used silicone based products on or around the engine 
>> compartment, they borked your MAF.  If silicone gets on the sensing parts of 
>> the MAF, it kills them.  This is well known and documented.
>> 
>> Lift the hood and see if you’ve got a shiny engine.
>> 
>> Dan
>> 
>> 
>>> On Sep 9, 2016, at 10:50 PM, Karl Wittnebel via Mercedes 
>>>  wrote:
>>> 
>>> So I bought that low miles 1994 e420 from Jeremy and Co up in SF. Figured I
>>> need the car and they said it drove well and was in good shape, and that's
>>> about all I need in a 420. Paid and they sent the car.
>>> 
>>> It arrived yesterday. Started, backed off trailer fine. It was about 8am so
>>> I hopped in it and attempted to drive to work. Unfortunately, it would rev
>>> to about 1500rpm and stall, and repeat the sequence about every second or
>>> so. It idles as smooth as silk, just won't throttle up. No lights on the
>>> dash. Never got out of first gear or above 20mph. Not good news! Called tow
>>> truck, then Lyft.
>>> 
>>> Herbert the German mechanic says the fault code is either the throttle body
>>> actuator or the computer that controls it. He says the throttle body is not
>>> opening properly in response to pedal input. He asks if there has ever been
>>> water on the engine. I say not to my knowledge. He is still sorting out
>>> what exactly is failing. Either one is a spendy item apparently; 1500 for
>>> the actuator and lord knows if a computer would even be available. Herbert
>>> himself isn't cheap either, but he knows mercedes.
>>> 
>>> So I got Jeremy on the phone and relayed this info. He apparently drove it
>>> for several days and to the smog place before listing it, and it was
>>> completely fine including the dyno test at smog. He says they did detail
>>> the engine after that though.
>>> 
>>> So here is the question: what stuff typically gets messed up when you wash
>>> an e420 motor that can cause this sort of thing? I am still hoping for an
>>> outside chance of something simple, and I figured I would see if there is
>>> any collective wisdom on this topic.
>>> 
>>> Thanks,
>>> Karl
>>> ___
>>> http://www.okiebenz.com
>>> 
>>> To search list archives http://www.okiebenz.com/archive/
>>> 
>>> To Unsubscribe or change delivery options go to:
>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>> 
>>> 
>> 
>> 
>> ___
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>> 
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>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
> 
> 
> ___
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> 
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> 
> To Unsubscribe or change delivery options go to:
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> 


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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Andrew Strasfogel via Mercedes]

Engine compartment is 45 percent of concours judging score sheet.  If you
want to win you need a clean engine.

On Sun, Sep 11, 2016 at 12:07 PM, Curley McLain via Mercedes <
mercedes@okiebenz.com> wrote:

> I always figured  a thin coat of dieselfuel/oil preserved things in the
> engine compartment.  But I never had show cars.  On the OM636, OM621,
> OM615, OM616/7 and OM603/2/1 engines I don't think you'd hurt much.  On
> the OM606 on, with all the electronics, it is probably not advisable to
> hose down the engine; certainly pressure washers on those engines.
>
>
>
> Ralph,'84TD via Mercedes 
>> September 10, 2016 at 4:54 AM
>> This brings up an interesting question; is it wise to do a detail on a
>> M.B. Diesel engine?
>> Ralph
>>
>> On Saturday, September 10, 2016 5:46 AM, Dan Penoff via Mercedes <
>> mercedes@okiebenz.com> wrote:
>>
>>
>> MAFs aren’t bad, but they can be tough to source.
>>
>> Mercedes has rebuilt ones - the one for this car is about $370.00 reman,
>> new $463.36.  New ones are tough to coe by, but the remans are usually in
>> stock.
>>
>> Dan
>>
>>
>>
>>
>> ___
>> http://www.okiebenz.com
>>
>> To search list archives http://www.okiebenz.com/archive/
>>
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>
>>
>>
>>
>> ___
>> http://www.okiebenz.com
>>
>> To search list archives http://www.okiebenz.com/archive/
>>
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>
>> Dan Penoff via Mercedes 
>> September 10, 2016 at 4:45 AM
>> MAFs aren’t bad, but they can be tough to source.
>>
>> Mercedes has rebuilt ones - the one for this car is about $370.00 reman,
>> new $463.36. New ones are tough to coe by, but the remans are usually in
>> stock.
>>
>> Dan
>>
>>
>>
>>
>> ___
>> http://www.okiebenz.com
>>
>> To search list archives http://www.okiebenz.com/archive/
>>
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>
>> Dan Penoff via Mercedes 
>> September 10, 2016 at 4:32 AM
>> If the “detailer† used silicone based products on or around the
>> engine compartment, they borked your MAF. If silicone gets on the sensing
>> parts of the MAF, it kills them. This is well known and documented.
>>
>> Lift the hood and see if you’ve got a shiny engine.
>>
>> Dan
>>
>>
>>
>>
>> ___
>> http://www.okiebenz.com
>>
>> To search list archives http://www.okiebenz.com/archive/
>>
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>
>> Karl Wittnebel via Mercedes 
>> September 9, 2016 at 9:50 PM
>> So I bought that low miles 1994 e420 from Jeremy and Co up in SF. Figured
>> I
>> need the car and they said it drove well and was in good shape, and that's
>> about all I need in a 420. Paid and they sent the car.
>>
>> It arrived yesterday. Started, backed off trailer fine. It was about 8am
>> so
>> I hopped in it and attempted to drive to work. Unfortunately, it would rev
>> to about 1500rpm and stall, and repeat the sequence about every second or
>> so. It idles as smooth as silk, just won't throttle up. No lights on the
>> dash. Never got out of first gear or above 20mph. Not good news! Called
>> tow
>> truck, then Lyft.
>>
>> Herbert the German mechanic says the fault code is either the throttle
>> body
>> actuator or the computer that controls it. He says the throttle body is
>> not
>> opening properly in response to pedal input. He asks if there has ever
>> been
>> water on the engine. I say not to my knowledge. He is still sorting out
>> what exactly is failing. Either one is a spendy item apparently; 1500 for
>> the actuator and lord knows if a computer would even be available. Herbert
>> himself isn't cheap either, but he knows mercedes.
>>
>> So I got Jeremy on the phone and relayed this info. He apparently drove it
>> for several days and to the smog place before listing it, and it was
>> completely fine including the dyno test at smog. He says they did detail
>> the engine after that though.
>>
>> So here is the question: what stuff typically gets messed up when you wash
>> an e420 motor that can cause this sort of thing? I am still hoping for an
>> outside chance of something simple, and I figured I would see if there is
>> any collective wisdom on this topic.
>>
>> Thanks,
>> Karl
>> ___
>> http://www.okiebenz.com
>>
>> To search list archives http://www.okiebenz.com/archive/
>>
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>
>>
> 

Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Curley McLain via Mercedes]

I always figured  a thin coat of dieselfuel/oil preserved things in the
engine compartment.  But I never had show cars.  On the OM636, OM621,
OM615, OM616/7 and OM603/2/1 engines I don't think you'd hurt much.  On
the OM606 on, with all the electronics, it is probably not advisable to
hose down the engine; certainly pressure washers on those engines.




Ralph,'84TD via Mercedes 
September 10, 2016 at 4:54 AM
This brings up an interesting question; is it wise to do a detail on a 
M.B. Diesel engine?

Ralph

On Saturday, September 10, 2016 5:46 AM, Dan Penoff via Mercedes 
 wrote:



MAFs aren’t bad, but they can be tough to source.

Mercedes has rebuilt ones - the one for this car is about $370.00 
reman, new $463.36.  New ones are tough to coe by, but the remans are 
usually in stock.


Dan




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Dan Penoff via Mercedes 
September 10, 2016 at 4:45 AM
MAFs aren’t bad, but they can be tough to source.

Mercedes has rebuilt ones - the one for this car is about $370.00 
reman, new $463.36. New ones are tough to coe by, but the remans are 
usually in stock.


Dan




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Dan Penoff via Mercedes 
September 10, 2016 at 4:32 AM
If the “detailer” used silicone based products on or around the engine 
compartment, they borked your MAF. If silicone gets on the sensing 
parts of the MAF, it kills them. This is well known and documented.


Lift the hood and see if you’ve got a shiny engine.

Dan




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Karl Wittnebel via Mercedes 
September 9, 2016 at 9:50 PM
So I bought that low miles 1994 e420 from Jeremy and Co up in SF. 
Figured I

need the car and they said it drove well and was in good shape, and that's
about all I need in a 420. Paid and they sent the car.

It arrived yesterday. Started, backed off trailer fine. It was about 
8am so

I hopped in it and attempted to drive to work. Unfortunately, it would rev
to about 1500rpm and stall, and repeat the sequence about every second or
so. It idles as smooth as silk, just won't throttle up. No lights on the
dash. Never got out of first gear or above 20mph. Not good news! 
Called tow

truck, then Lyft.

Herbert the German mechanic says the fault code is either the throttle 
body
actuator or the computer that controls it. He says the throttle body 
is not
opening properly in response to pedal input. He asks if there has ever 
been

water on the engine. I say not to my knowledge. He is still sorting out
what exactly is failing. Either one is a spendy item apparently; 1500 for
the actuator and lord knows if a computer would even be available. Herbert
himself isn't cheap either, but he knows mercedes.

So I got Jeremy on the phone and relayed this info. He apparently drove it
for several days and to the smog place before listing it, and it was
completely fine including the dyno test at smog. He says they did detail
the engine after that though.

So here is the question: what stuff typically gets messed up when you wash
an e420 motor that can cause this sort of thing? I am still hoping for an
outside chance of something simple, and I figured I would see if there is
any collective wisdom on this topic.

Thanks,
Karl
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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Karl Wittnebel via Mercedes]

It is pretty clean. Not sure if shiny, but will check. Thanks.

Karl

On Sep 10, 2016 2:46 AM, "Dan Penoff via Mercedes" 
wrote:

> MAFs aren’t bad, but they can be tough to source.
>
> Mercedes has rebuilt ones - the one for this car is about $370.00 reman,
> new $463.36.  New ones are tough to coe by, but the remans are usually in
> stock.
>
> Dan
>
>
> > On Sep 10, 2016, at 5:32 AM, Dan Penoff via Mercedes <
> mercedes@okiebenz.com> wrote:
> >
> > If the “detailer” used silicone based products on or around the engine
> compartment, they borked your MAF.  If silicone gets on the sensing parts
> of the MAF, it kills them.  This is well known and documented.
> >
> > Lift the hood and see if you’ve got a shiny engine.
> >
> > Dan
> >
> >
> >> On Sep 9, 2016, at 10:50 PM, Karl Wittnebel via Mercedes <
> mercedes@okiebenz.com> wrote:
> >>
> >> So I bought that low miles 1994 e420 from Jeremy and Co up in SF.
> Figured I
> >> need the car and they said it drove well and was in good shape, and
> that's
> >> about all I need in a 420. Paid and they sent the car.
> >>
> >> It arrived yesterday. Started, backed off trailer fine. It was about
> 8am so
> >> I hopped in it and attempted to drive to work. Unfortunately, it would
> rev
> >> to about 1500rpm and stall, and repeat the sequence about every second
> or
> >> so. It idles as smooth as silk, just won't throttle up. No lights on the
> >> dash. Never got out of first gear or above 20mph. Not good news! Called
> tow
> >> truck, then Lyft.
> >>
> >> Herbert the German mechanic says the fault code is either the throttle
> body
> >> actuator or the computer that controls it. He says the throttle body is
> not
> >> opening properly in response to pedal input. He asks if there has ever
> been
> >> water on the engine. I say not to my knowledge. He is still sorting out
> >> what exactly is failing. Either one is a spendy item apparently; 1500
> for
> >> the actuator and lord knows if a computer would even be available.
> Herbert
> >> himself isn't cheap either, but he knows mercedes.
> >>
> >> So I got Jeremy on the phone and relayed this info. He apparently drove
> it
> >> for several days and to the smog place before listing it, and it was
> >> completely fine including the dyno test at smog. He says they did detail
> >> the engine after that though.
> >>
> >> So here is the question: what stuff typically gets messed up when you
> wash
> >> an e420 motor that can cause this sort of thing? I am still hoping for
> an
> >> outside chance of something simple, and I figured I would see if there
> is
> >> any collective wisdom on this topic.
> >>
> >> Thanks,
> >> Karl
> >> ___
> >> http://www.okiebenz.com
> >>
> >> To search list archives http://www.okiebenz.com/archive/
> >>
> >> To Unsubscribe or change delivery options go to:
> >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> >>
> >>
> >
> >
> > ___
> > http://www.okiebenz.com
> >
> > To search list archives http://www.okiebenz.com/archive/
> >
> > To Unsubscribe or change delivery options go to:
> > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> >
>
>
> ___
> http://www.okiebenz.com
>
> To search list archives http://www.okiebenz.com/archive/
>
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>
>
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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Ralph,'84TD via Mercedes]

This brings up an interesting question; is it wise to do a detail on a M.B. 
Diesel engine?
Ralph 

On Saturday, September 10, 2016 5:46 AM, Dan Penoff via Mercedes 
 wrote:
 

 MAFs aren’t bad, but they can be tough to source.

Mercedes has rebuilt ones - the one for this car is about $370.00 reman, new 
$463.36.  New ones are tough to coe by, but the remans are usually in stock.

Dan


> On Sep 10, 2016, at 5:32 AM, Dan Penoff via Mercedes  
> wrote:
> 
> If the “detailer” used silicone based products on or around the engine 
> compartment, they borked your MAF.  If silicone gets on the sensing parts of 
> the MAF, it kills them.  This is well known and documented.
> 
> Lift the hood and see if you’ve got a shiny engine.
> 
> Dan
> 
> 
>> On Sep 9, 2016, at 10:50 PM, Karl Wittnebel via Mercedes 
>>  wrote:
>> 
>> So I bought that low miles 1994 e420 from Jeremy and Co up in SF. Figured I
>> need the car and they said it drove well and was in good shape, and that's
>> about all I need in a 420. Paid and they sent the car.
>> 
>> It arrived yesterday. Started, backed off trailer fine. It was about 8am so
>> I hopped in it and attempted to drive to work. Unfortunately, it would rev
>> to about 1500rpm and stall, and repeat the sequence about every second or
>> so. It idles as smooth as silk, just won't throttle up. No lights on the
>> dash. Never got out of first gear or above 20mph. Not good news! Called tow
>> truck, then Lyft.
>> 
>> Herbert the German mechanic says the fault code is either the throttle body
>> actuator or the computer that controls it. He says the throttle body is not
>> opening properly in response to pedal input. He asks if there has ever been
>> water on the engine. I say not to my knowledge. He is still sorting out
>> what exactly is failing. Either one is a spendy item apparently; 1500 for
>> the actuator and lord knows if a computer would even be available. Herbert
>> himself isn't cheap either, but he knows mercedes.
>> 
>> So I got Jeremy on the phone and relayed this info. He apparently drove it
>> for several days and to the smog place before listing it, and it was
>> completely fine including the dyno test at smog. He says they did detail
>> the engine after that though.
>> 
>> So here is the question: what stuff typically gets messed up when you wash
>> an e420 motor that can cause this sort of thing? I am still hoping for an
>> outside chance of something simple, and I figured I would see if there is
>> any collective wisdom on this topic.
>> 
>> Thanks,
>> Karl
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>> 
> 
> 
> ___
> http://www.okiebenz.com
> 
> To search list archives http://www.okiebenz.com/archive/
> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 


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Re: [MBZ] OT 1994 e420 woes BgifnQluCm

[Dan Penoff via Mercedes]

MAFs aren’t bad, but they can be tough to source.

Mercedes has rebuilt ones - the one for this car is about $370.00 reman, new 
$463.36.  New ones are tough to coe by, but the remans are usually in stock.

Dan


> On Sep 10, 2016, at 5:32 AM, Dan Penoff via Mercedes  
> wrote:
> 
> If the “detailer” used silicone based products on or around the engine 
> compartment, they borked your MAF.  If silicone gets on the sensing parts of 
> the MAF, it kills them.  This is well known and documented.
> 
> Lift the hood and see if you’ve got a shiny engine.
> 
> Dan
> 
> 
>> On Sep 9, 2016, at 10:50 PM, Karl Wittnebel via Mercedes 
>>  wrote:
>> 
>> So I bought that low miles 1994 e420 from Jeremy and Co up in SF. Figured I
>> need the car and they said it drove well and was in good shape, and that's
>> about all I need in a 420. Paid and they sent the car.
>> 
>> It arrived yesterday. Started, backed off trailer fine. It was about 8am so
>> I hopped in it and attempted to drive to work. Unfortunately, it would rev
>> to about 1500rpm and stall, and repeat the sequence about every second or
>> so. It idles as smooth as silk, just won't throttle up. No lights on the
>> dash. Never got out of first gear or above 20mph. Not good news! Called tow
>> truck, then Lyft.
>> 
>> Herbert the German mechanic says the fault code is either the throttle body
>> actuator or the computer that controls it. He says the throttle body is not
>> opening properly in response to pedal input. He asks if there has ever been
>> water on the engine. I say not to my knowledge. He is still sorting out
>> what exactly is failing. Either one is a spendy item apparently; 1500 for
>> the actuator and lord knows if a computer would even be available. Herbert
>> himself isn't cheap either, but he knows mercedes.
>> 
>> So I got Jeremy on the phone and relayed this info. He apparently drove it
>> for several days and to the smog place before listing it, and it was
>> completely fine including the dyno test at smog. He says they did detail
>> the engine after that though.
>> 
>> So here is the question: what stuff typically gets messed up when you wash
>> an e420 motor that can cause this sort of thing? I am still hoping for an
>> outside chance of something simple, and I figured I would see if there is
>> any collective wisdom on this topic.
>> 
>> Thanks,
>> Karl
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>> 
> 
> 
> ___
> http://www.okiebenz.com
> 
> To search list archives http://www.okiebenz.com/archive/
> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 


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